131102120000 has 140 divisors (see below), whose sum is σ = 327287343900. Its totient is φ = 52086528000.

The previous prime is 131102119957. The next prime is 131102120041. The reversal of 131102120000 is 21201131.

It can be written as a sum of positive squares in 10 ways, for example, as 114752917504 + 16349202496 = 338752^2 + 127864^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5949002 + ... + 5970998.

Almost surely, 2^131102120000 is an apocalyptic number.

131102120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131102120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163643671950).

131102120000 is an abundant number, since it is smaller than the sum of its proper divisors (196185223900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131102120000 is an equidigital number, since it uses as much as digits as its factorization.

131102120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22178 (or 22153 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 131102120000 its reverse (21201131), we get a palindrome (131123321131).

The spelling of 131102120000 in words is "one hundred thirty-one billion, one hundred two million, one hundred twenty thousand".